Construction Technology Flashcards
1
Q
Soil investigation methods
A
- Direct methods : Test pits, trial pits, trenches
2. Semi-direct : Boring
2
Q
Soil improvement methods:
A
- Vibration
- Dynamic Compaction
- Jet Grouting
3
Q
Compaction methods
A
- Kneading
- Static
- Dynamic
- Imapct and vibtatory compaction
4
Q
Backfilling methods
A
- Covenentional compaction
2. Vibro compaction test
5
Q
Shoring methods
A
- Sheet pile
- Contiguous pile
- Secant pile
- Diaphragm wall
- Cofferdams
6
Q
Dewatering methods
A
- WellPoint method
- Deep WellPoint
- Educator
- Open sump pumping
7
Q
Functions of a Foundation
A
- Safely transfer the total load to the ground
- To prevent settlement of the structure
- To provide stability to the structure against forces ex: Earthquakes, Tsunami
8
Q
Factors affecting selecting of foundation ?
A
- Soil conditions
- Loads from building
- Type of structure in neighborhood
- Construction noise and vibrations
- Cost
- Programme
9
Q
Types of pile foundations
A
- Friction piles
- End bearing piles
- Combination of friction and end bearing
- Tension piles
10
Q
Material wise piles types
A
- Timber piles
- Concrete Piles
- Steel piles
- Composite piles
11
Q
Pile Tests
A
- Pile integrity testing
- Dynamic Pile Testing
- Static Pile Testing
- Lateral pile testing
12
Q
Underpinning
A
Process of strengthening and stabilizing the foundation of an existing building
13
Q
Waterproofing methods
A
- Cementitious Waterproofing
- Liquid waterproofing membrane
- Bituminous Membrane.
- Bituminous coating.
- Polyurethane liquid membrane
14
Q
Waterproofing Materials
A
- Paint apply
- Bituminous Membrane
- Protection
- Concrete screed/ Gravel / Paving
15
Q
Type of concrete
A
- Mass concrete
- In-situ concrete
- Precast Concrete
- Pre-stressed concrete
- Post Tension Concrete
- Composite slab
16
Q
Concrete mixing
A
- Batch mixers
2. Continuous mixers
17
Q
Composite slab
A
Consists of a concrete topping cast onto metal decking
18
Q
Advantages of composite slab
A
• Steel deck can be used as permanent formwork
• Speed construction
• Slab thickness is less compare to RCC slab
• Cost Effective , Reduce the reinforcement qty
• Smooth and even soffit
* Less weight
19
Q
Concrete tests
A
- Slump test
- Temperature
- Core test
- Cube test
20
Q
Formwork types
A
- Traditional timber
- Engineered formwork system
- Re0usable plastic formwork
- Permanent insulated formwork
- Flexible formwork
- Slip formwork
- Tunnel Formwork
21
Q
Type of Frame structures;
A
- In-situ reinforcement concrete frame
- Prestressed concrete
- Steel Frame
- Cold formed steelwork
- Precast concrete frames
- Timber frames
22
Q
Steel structure fire resistance options
A
- Concrete encasement
- Masonry encasement
- Thick sprayed coatings
- Boards
- Preformed casing
- Intumescent paints
23
Q
Advantages and disadvantages of Steel frames
A
Advantages
- Longer span
- Clear height is more
- Speedy
- Pre assembly
Disadvantages
- Low Fire resistance
- Corrosion
- More cost
- Regular maintainace
24
Q
Advantages of PT Slab?
A
- Saving on steel
- Saving on concrete
- Lager spans and greater strength
- Less construction time
25
What are the Fire Fighting Systems available ?
1. Wet riser system
2. Dry riser system
3. FM 200 system (Gas)
4. Degule system (Chemical)
26
Active and Passive Fire fighting systems?
Passive: Fire wall, Fire Floor, Fire Doors, Fire Dampers
| Active FF: Sprinkler systems, Dry Riser Systems
27
What is BMS?
A Building Management System is a control system and it is commonly using for monitor and amange the mechanical and electrical services.
Element in BMS:
1. DDC Panel
2. Cabling System
3. Monitor
4. Field devices
Measured as an Item
28
What is CCTV Sytem
Closed-circuit television : Provide 24/7 Surveillance to protect from burglaries and theft
CCTV system;
1. Power supply to camera
2. Data outlet
3. Monitoring sytem
29
What is a SMATV system?
SMATV - Satellite master antenna television: multiple satelite single integrated cable signal for distribution (you own in-house cable company)
It is inlcudes:
1. Satellite Antenna
2. Coax Cable
3. Splitter
30
Ventilation system in buildings
1. Natural Vatilation system (Windows,Louvers, Doors)
| 2. Mechanical Vantilation System (Extract Fans, Motorized Lowers, AC systems)
31
Type of air in HVAC system
Supply air
Return air
Extract air
Fresh air
32
Material use for HVAC
Stain stell
Galvanized iron
Plastic
33
Duct insulation materials
Rubber insulation
| Rock wall insulation
34
Chilled water pipe insulation materials
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K-Flex flexible closed cell
Cellular glass
Fibrous
Polyisocyanurate
Phenolic
```
35
Fire dampers & Volume control dampers
Fire dampers; prevent fire travelling through the ducks
| Volume control dampers: control the air flow
36
District cooling system
Cetralized production and distribution of the colling energy.
37
SCADA
System Control and Data Acquisition - centralized systems which monitor and control a system
38
Demolition methods
1. Crane & Balls
2. High Reach Arm
3. Selective Demolition
4. Implosion
39
Types of Foundations
Shallow Foundations: Pad, Strip, Raft
| Deep Foundations: Drilled Shafts or caissons.
40
Advatage of Bus Bar
1. Installation time reduce
2. Very impact so space saving
3. Reduce cables runs
4. Provide good aesthetic view to a building
5. Increased the safety (high quality components)
